Vacuum machine



FIG. 1 is a front elevational view of a vacuum machine showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front and left-side perspective view thereof;

FIG. 8 is a front and right-side perspective view thereof;

FIG. 9 is a rear and right-side perspective view thereof;

FIG. 10 is a rear and left-side perspective view thereof;

FIG. 11 is a bottom and left-side perspective view thereof; and,

FIG. 12 is a bottom and right-side perspective view thereof. 

The ornamental design for a vacuum machine, as shown and described. 